package com.kaka.service;

import com.kaka.bean.Admin;
import com.kaka.bean.Student;
import com.kaka.bean.Teacher;

public interface MainService {
    //学生登录
    Student studentLogin(String username, String password);

    //教师登录
    Teacher teacherLogin(String username, String password);

    //管理员登录
    Admin adminLogin(String username, String password);
}
